The elements in this particular periodic table represent different tropes or ideas that repeat across genres and through time. The elements are organized by categories like Structure, Story Modifiers, Plot Devices, Heroes, Villains, Archetypes, and more. Clicking on an element takes visitors to TVTropes, a large library of tropes collected by the community members.

The table aims to help writers fight against writer’s block:

You can check out the table in all of its interactive glory by clicking here, and create your own man/bear/door story:

What do you think? Is this a comprehensive chart or are there some elements missing? Or is it a bad idea to try to make storytelling a sort of science?